Ransomware group profile · #197 by claimed victims

Cheers ransomware

Cheers is a Linux-based ransomware group that emerged in 2022, built on leaked Babuk source code and specializing in attacks against VMware ESXi servers, running a double-extortion leak site with four documented victims.

Active First seen May 2022

15Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

0Countries hit

2Leak-site URLs tracked, 0 online

14 Sep 2022Latest claim recorded

Victimology

Who Cheers claims to have breached, from 15 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Financial Services6

Transportation4

Hospitality2

Technology1

Healthcare1

Top countries

No country data yet.

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
DYNAM JAPAN HOLDINGS CO., LTD dynam japan holdings co., ltd	Hospitality	-	14 Sep 2022
An Japan Game Halls Operator	Hospitality	-	1 Sep 2022
An British Financial Company -Public	Financial Services	-	18 Aug 2022
An Insurance Company -Paid	Financial Services	-	9 Aug 2022
An Turkey Certified Public Accountancy Firms -Unpay	Financial Services	-	9 Aug 2022
An Insurance Company	Financial Services	-	19 Jul 2022
An British Financial Company -Unpay	Financial Services	-	18 Jul 2022
An International Shipping Company - Paid	Transportation	-	18 Jul 2022
An International Shipping Company - Unpay	Transportation	-	1 Jul 2022
https://	Not Found	-	30 Jun 2022
Sembcorp Marine - Unpay	Transportation	-	28 Jun 2022
An Technology Company - Paid	Technology	-	29 May 2022

All 15 Cheers victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

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Tactics, techniques and procedures

ATT&CK technique mapping for Cheers is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

See full IOCs

Frequently asked

Is Cheers ransomware still active?

Cheers is tracked as active. The most recent leak-site claim VULONE recorded is dated 14 September 2022.

How many victims has Cheers claimed?

VULONE has recorded 15 leak-site victim claims attributed to Cheers since May 2022, across 0 countries and 6 sectors.

Which industries does Cheers target?

The sectors most often named on the Cheers leak site are Financial Services, Transportation, Hospitality.

Which countries are most affected by Cheers?

Country data for Cheers victims is not yet available.

Where does VULONE get Cheers victim data?

Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 31 October 2026. Questions or corrections: research@vulone.com.